
using System;

/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
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 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
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 * 5. Products derived from this software may not be called "Apache",
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 *
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 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * Portions of this software are based upon public domain software
 * originally written at the National Center for Supercomputing Applications,
 * University of Illinois, Urbana-Champaign.
 */

namespace Stun
{
	/**
	 * The class is used to represent an [address]:[port] couple where the Stun4J
	 * stack is to listen for incoming messages. We need such a class so that we
	 * could identify and manage (add, remove, etc.) DatagramListeners.
	 *
	 * <p>Organisation: Louis Pasteur University, Strasbourg, France</p>
	 * 					<p>Network Research Team (http://www-r2.u-strasbg.fr)</p>
	 * @author Emil Ivov
	 * @version 0.1
	 */

	public class NetAccessPointDescriptor
	{
		/**
		 * The address string representing the host (interface) where the stack
		 * should bind.
		 */

		private StunAddress stunAddr = null;
		/**
		 * Creates a net access point that will bind to the  specified address.
		 *
		 * @param address a valid Stun Address.
		 */

		public NetAccessPointDescriptor(StunAddress address)
		{
			stunAddr = address;
		}
		/**
		 * Compares this object against the specified object. The result is true if
		 * and only if the argument is not null and it represents the same address
		 * as this object.
		 *
		 * Two instances of InetSocketAddress represent the same address if both the
		 * InetAddresses (or hostnames if it is unresolved) and port numbers are
		 * equal. If both addresses are unresolved, then the hostname & the port
		 * number are compared.
		 *
		 * @param obj the object to compare against.
		 * @return true if the objects are the same; false otherwise.
		 */

		public override bool Equals(object obj)
		{

			if (obj == null
				|| !(obj is NetAccessPointDescriptor))
				return false;

			if (obj == this)
				return true;
			return stunAddr.Equals(((NetAccessPointDescriptor)obj).stunAddr);
		}
		/**
		 * Returns the socket address wrapped by this class.
		 * @return an InetSocketAddress instance.
		 */
		virtual public StunAddress GetAddress()
		{
			return stunAddr;
		}
		/**
		 * Clones the NetAccessPointDescriptor.
		 *
		 * @return a copy of this NetAccessPointDescriptor.
		 */
		virtual public object Clone()
		{
			NetAccessPointDescriptor napd = new NetAccessPointDescriptor(stunAddr);
			return napd;
		}
	}
}